build.yml

name: Build docker image and upload to Docker Hub
on:
  push:
    branches:
      - main
jobs:
  deploy:
    name: Build docker image and upload to Docker Hub
    runs-on: ubuntu-latest
    # These permissions are needed to interact with GitHub's OIDC Token endpoint.
    permissions:
      id-token: write
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup buildx
        uses: docker/setup-buildx-action@v3

      - name: Set sha_short
        id: vars_sha_short
        run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build, tag, and push docker image to Amazon ECR
        id: push
        uses: docker/build-push-action@v5
        with:
          cache-from: type=gha
          cache-to: type=gha,mode=max
          push: true
          context: .
          tags: birdhackor/centos7-py311:latest,birdhackor/centos7-py311:sha-${{ steps.vars_sha_short.outputs.sha_short }}